From a4f6cec7a31ff8dbfa089b9e22227afbeb951e9b Mon Sep 17 00:00:00 2001
From: Björn Linse <bjorn.linse@gmail.com>
Date: Wed, 22 Nov 2017 22:35:20 +0100
Subject: cmdline: CmdlineEnter and CmdlineLeave autocommands (#7422)

vim-patch:fafcf0dd59fd

patch 8.0.1206: no autocmd for entering or leaving the command line

Problem:    No autocmd for entering or leaving the command line.
Solution:   Add CmdlineEnter and CmdlineLeave.

https://github.com/vim/vim/commit/fafcf0dd59fd9c4ef743bb333ae40d1d322b6079
---
 test/functional/autocmd/cmdline_spec.lua | 117 +++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 test/functional/autocmd/cmdline_spec.lua

(limited to 'test/functional')

diff --git a/test/functional/autocmd/cmdline_spec.lua b/test/functional/autocmd/cmdline_spec.lua
new file mode 100644
index 0000000000..b0ce03b141
--- /dev/null
+++ b/test/functional/autocmd/cmdline_spec.lua
@@ -0,0 +1,117 @@
+local helpers = require('test.functional.helpers')(after_each)
+local Screen = require('test.functional.ui.screen')
+
+local clear = helpers.clear
+local command = helpers.command
+local eq = helpers.eq
+local expect = helpers.expect
+local next_msg = helpers.next_message
+local feed = helpers.feed
+local meths = helpers.meths
+
+describe('cmdline autocommands', function()
+  local channel
+  before_each(function()
+    clear()
+    channel = meths.get_api_info()[1]
+    meths.set_var("channel",channel)
+    command("autocmd CmdlineEnter * call rpcnotify(g:channel, 'CmdlineEnter', v:event)")
+    command("autocmd CmdlineLeave * call rpcnotify(g:channel, 'CmdlineLeave', v:event)")
+    command("autocmd CmdWinEnter * call rpcnotify(g:channel, 'CmdWinEnter', v:event)")
+    command("autocmd CmdWinLeave * call rpcnotify(g:channel, 'CmdWinLeave', v:event)")
+  end)
+
+  it('works', function()
+    feed(':')
+    eq({'notification', 'CmdlineEnter', {{cmdtype=':', cmdlevel=1}}}, next_msg())
+    feed('redraw<cr>')
+    eq({'notification', 'CmdlineLeave',
+        {{cmdtype=':', cmdlevel=1, abort=false}}}, next_msg())
+
+    feed(':')
+    eq({'notification', 'CmdlineEnter', {{cmdtype=':', cmdlevel=1}}}, next_msg())
+
+    -- note: feed('bork<c-c>') might not consume 'bork'
+    -- due to out-of-band interupt handling
+    feed('bork<esc>')
+    eq({'notification', 'CmdlineLeave',
+        {{cmdtype=':', cmdlevel=1, abort=true}}}, next_msg())
+  end)
+
+  it('can abort cmdline', function()
+    command("autocmd CmdlineLeave * let v:event.abort= len(getcmdline())>15")
+    feed(":put! ='ok'<cr>")
+    expect([[
+      ok
+      ]])
+
+    feed(":put! ='blah blah'<cr>")
+    expect([[
+      ok
+      ]])
+  end)
+
+  it('handles errors correctly', function()
+    clear()
+    local screen = Screen.new(72, 8)
+    screen:attach()
+    screen:set_default_attr_ids({
+      [1] = {bold = true, foreground = Screen.colors.Blue1},
+      [2] = {foreground = Screen.colors.Grey100, background = Screen.colors.Red},
+      [3] = {bold = true, foreground = Screen.colors.SeaGreen4},
+    })
+    command("autocmd CmdlineEnter * echoerr 'FAIL'")
+    command("autocmd CmdlineLeave * echoerr 'very error'")
+    feed(':')
+    screen:expect([[
+      {1:~                                                                       }|
+      {1:~                                                                       }|
+      {1:~                                                                       }|
+      {1:~                                                                       }|
+      {1:~                                                                       }|
+      :                                                                       |
+      {2:E920: autocmd has thrown an exception: Vim(echoerr):FAIL}                |
+      :^                                                                       |
+    ]])
+    feed("put ='lorem ipsum'<cr>")
+    screen:expect([[
+      {1:~                                                                       }|
+      {1:~                                                                       }|
+      :                                                                       |
+      {2:E920: autocmd has thrown an exception: Vim(echoerr):FAIL}                |
+      :put ='lorem ipsum'                                                     |
+      {2:E920: autocmd has thrown an exception: Vim(echoerr):very error}          |
+                                                                              |
+      {3:Press ENTER or type command to continue}^                                 |
+    ]])
+
+    feed('<cr>')
+    screen:expect([[
+                                                                              |
+      ^lorem ipsum                                                             |
+      {1:~                                                                       }|
+      {1:~                                                                       }|
+      {1:~                                                                       }|
+      {1:~                                                                       }|
+      {1:~                                                                       }|
+                                                                              |
+    ]])
+  end)
+
+  it('works with nested cmdline', function()
+    feed(':')
+    eq({'notification', 'CmdlineEnter', {{cmdtype=':', cmdlevel=1}}}, next_msg())
+    feed('<c-r>=')
+    eq({'notification', 'CmdlineEnter', {{cmdtype='=', cmdlevel=2}}}, next_msg())
+    feed('<c-f>')
+    eq({'notification', 'CmdWinEnter', {{}}}, next_msg())
+    feed(':')
+    eq({'notification', 'CmdlineEnter', {{cmdtype=':', cmdlevel=3}}}, next_msg())
+    feed('<c-c>')
+    eq({'notification', 'CmdlineLeave', {{cmdtype=':', cmdlevel=3, abort=true}}}, next_msg())
+    feed('<c-c>')
+    eq({'notification', 'CmdWinLeave', {{}}}, next_msg())
+    feed('1+2<cr>')
+    eq({'notification', 'CmdlineLeave', {{cmdtype='=', cmdlevel=2, abort=false}}}, next_msg())
+  end)
+end)
-- 
cgit